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Sony MDR-RF850RK Black Circumaural headphone

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Brand:
The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Sony
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
MDR-RF850RK
Product code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product data-sheet if the specifications are identical. We map away wrong codes or sometimes logistic variants.
MDRRF850RK
Category
Headphones come in all sorts of designs and qualities, so you will surely be able to find your perfect pair in our database!
headphones
Data-sheet quality: created/standardized by Icecat
The quality of the product data-sheet can be on several levels:
only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by Sony: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 18 Oct 2005
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Product views: 10066
This statistic is based on the 73954 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet since 18-10-05 Only sponsoring brands are included in the free Open Icecat content distribution as used by 72257 free Open Icecat users .
Info modified on: 17 Oct 2017 06:02:01
The date of the most recent change of this product data-sheet in Icecat.
Long product name Sony MDR-RF850RK Black Circumaural headphone :
The short editorial description of Sony MDR-RF850RK Black Circumaural headphone

MDR-RF850RK - Wireless closed style FM headphones with long battery life and an incredible 100m range
More>>>

Sony MDR-RF850RK Black Circumaural headphone:
The official marketing text of Sony MDR-RF850RK Black Circumaural headphone as supplied by the manufacturer
Rechargeable RF Headphones
Auto-recharge function by placing the headphones on the standing transmittor
Battery playback time up to: - 15 hrs with rechargeable batteries - 22 hrs with Sony Alkaline batteries
Volume Control on headphones
3-channel transmission
Auto-Tuning
RF Transmission up to 100 m
Short summary description Sony MDR-RF850RK Black Circumaural headphone:
This short summary of the Sony MDR-RF850RK Black Circumaural headphone data-sheet is auto-generated and uses the product title and the first six key specs.
Sony MDR-RF850RK, Circumaural, 18 - 22000 Hz, 1%, 3 cm, Ferrite, Wireless
Long summary description Sony MDR-RF850RK Black Circumaural headphone :

Sony MDR-RF850RK. Ear coupling: Circumaural, Headphone frequency: 18 - 22000 Hz, Total Harmonic Distortion (THD): 1%. Connectivity technology: Wireless, Wireless range: 100 m. Battery life (max): 24 h, Battery technology: Nickel-Metal Hydride (NiMH), Battery type: AAA. Colour of product: Black. Weight: 270 g

This is an auto-generated long summary of Sony MDR-RF850RK Black Circumaural headphone based on the first three specs of the first five spec groups.

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Headphones
Ear coupling *
Ear coupling describes the way in which headphones or earphones stay attached to, or inside, the ear. There are three common types of ear coupling: circumaural, supra-aural and intra-aural. Circumaural headphones enclose your ears with large pads that suppress external noise. Supra-aural headphones are typically more lightweight and sit on top of the ears with small pads. Intra-aural headphones come in two basic designs and neither style sits on the head itself. The first are ear buds, which sit just outside of the ear canal, on top of your ear lobes. The second type is actually inserted directly into the ear canal and offers some external noise suppression.
Circumaural
Headphone frequency *
The range of frequencies (low to high sounds) that the headphones can produce.
18 - 22000 Hz
Total Harmonic Distortion (THD)
Total harmonic distortion is a measure of non-linear harmonic\n\ndistortion and is given in %. Non-linear harmonic distortions are\n\nsignals which were not present in the original before the signal was\n\nconverted by the headphones. These unwanted signals are caused by the\n\ndiaphragm, whose movements do not precisely move in time with the\n\nelectric signals that cause it to move. Unfortunately, this is a\n\nfeature of all electroacoustic transducers. Although it cannot be\n\ncompletely eliminated, suitable steps can be taken to minimise it.\n\nHowever, the user is not interested in why this distortion takes place\n\nbut in how great the level of distortion must be for it to become\n\nperceptible. According to the findings of several research projects, a\n\ntotal harmonic distortion of 1% in the frequency range of 100 to 2000\n\nHz is imperceptible. Below 100 Hz, the perceptibility threshold lies\n\nat 10%.
1%
Driver unit
3 cm
Magnet type
Type of magnet e.g. neodymium.
Ferrite
Ports & interfaces
Connectivity technology *
Wireless
Wireless range
100 m
Power
Battery life (max)
Maximum battery life. Mobile Mark™ (2002) is the standard often used to benchmark battery life time.
24 h
Power
Battery technology
The type of battery in the device, e.g. nickel–cadmium (NiCd).
Nickel-Metal Hydride (NiMH)
Battery type
Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
AAA
Design
Colour of product *
The colour e.g. red, blue, green, black, white.
Black
Weight & dimensions
Weight *
Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
270 g
Other features
Wireless technology
Technology that communicates with other devices without a physical connection e.g. radio, WiFi.
RF
Dimensions (WxDxH)
Dimensions of the product (Width x Depth x Height).
133 x 135 x 124 mm
Type
Characteristics of the device.
dynamic
Frequency range
20 - 15000 Hz (Transmitter)
Source Testseek summary Average rating
Reviews
Updated:
2016-11-14
Testseek has collected 1 expert review for Sony MDR-RF850RK and the rating is 60 of 100. Click below and use Testseek to find all ratings, product awards and conclusions.
60%
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